UNDERWOOD 458 HAM'R 302GR XTREME PENETRATOR 20RDUnderwood's . 458 HAM'R 302gr Xtreme Penetrator rounds are designed for maximum penetration in hunting and self defense scenarios. These solid copper bullets feature a unique nose design that creates a larger permanent wound channel while maintaining straight, deep penetration. The . 458 HAM'R cartridge provides exceptional power in an AR 15 platform, suitable for taking down large game and for personal protection. Features Specs: Caliber: . 458 HAM'R